/Engine/Plugins/Media/BlackmagicMedia/Source/BlackmagicMedia/Public/BlackmagicTimecodeProvider.h
Fetch current timecode from its source. e.g. From hardware/network/file/etc. It is recommended to cache the fetched timecode.
virtual bool FetchTimecode ( [FQualifiedFrameTime](API\Runtime\Core\Misc\FQualifiedFrameTime) & OutFrameTime )